California · San Joaquin County
Unknown
Ladd Mine
San Joaquin County, California, United States
Phosphorus-Phosphates
Manganese
Barium-Barite
Calcium
Iron
Silica
Aluminum
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USGS source ↗
Commodities
Tertiary
Phosphorus-Phosphates, Manganese, Barium-Barite, Calcium, Iron, Silica, Aluminum
Commodity type
B
Deposit
Workings
Underground
Materials
Other materials
Chert, Psilomelane, Rhodochrosite, Rhodonite
Economic & production
Development status
Unknown
First production
1867
Discovery year
1867
Identification
Deposit ID
10286747
MRDS ID
M024304
Region
NA
Data score
D
Coordinates
37.60681, -121.49682
References
MANGANESE IN CALIFORNIA DM&G BULLETIN 152 PP 223-6,1950D.M.G. BULL. 76, PG. 76,1918U.S.B.M. REP. OF INVESTIGATION 4580,1949